Acquiring the ability to utilize and combine various sources of information as well as providing the information to a sophisticated energy management and safety system plays a crucial role in the design process of highly efficient next-generation electric vehicles and hybrid vehicles. Thus, energy management and safety systems in vehicles get increasingly complex. This poses a challenge to designing such systems as well as to functional testing, system validation and calibration. In this paper, a seamless simulation toolchain is explained which enables fast migration of the developed control strategies to the use in 4WD powertrain testbed and test track. Beyond state of the art system development requires new seamless simulation methods (from office PC to hardware in the loop (HiL) on the testbed) to allow realistic and highly reproducible testing (hardly possible on public roads) of connected functions which process data from the vehicle environment in order to increase energy efficiency, safety and driving comfort. This results in a rapidly increasing complexity throughout the development process which requires continuously improving engineering methods. The powerful support of enhanced system simulation in the development process of operating strategies for electric vehicles prototypes based on intelligent transportation systems has been presented. A highly realistic simulation tool-chain supports the development and testing of the aforementioned control algorithms. One of its major benefits is that it facilitates fast migration from pure office simulation to the 4WD HiL testbed and road tests early in the development process. Also, it supports reusability of office simulation models throughout the entire development process. The aim in the OpEneR project is to increase the electrical range of the specified vehicle by utilizing and merging various sources of information (e.g. radar, video, GPS, c2i, c2c). Using this information effectively in an advanced energy manager leads to significant improvements in terms of energy consumption and safety.The explained development process allows highly efficient development with consistent and reproducible system validation. The use of advanced and complex simulation software in all development stages from office simulation to testbed and real-world testing enables realistic test scenarios. Merging of various on-board and off-board sources of information allows the implementation of advanced predictive control strategies aiming at more energy efficient, safe and comfortable driving. The advanced cooperative regenerative braking system enables high energy recuperation potential while ensuring maximum vehicle stability.
Seamless development of vehicle energy management, recuperation and safety systems: Pure office simulation to 4WD powertrain testbed
2013
15 Seiten, 9 Bilder, 1 Tabelle, 8 Quellen
Aufsatz (Konferenz)
Datenträger
Englisch
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